unchallengeable

un chal lenge a ble |ˌənˈCHalənjəbəl ˌənˈtʃælənʤəbəl | ▶adjective not able to be disputed, opposed, or defeated: the unchallengeable truth of these basic facts. DERIVATIVES un chal lenge a bly |-blē |adverb

unchallengeable

un |chal ¦lenge |able |ʌnˈtʃalɪn (d )ʒəb (ə )l | ▶adjective not able to be disputed, opposed, or defeated: the unchallengeable truth of these basic facts. DERIVATIVES unchallengeably adverb